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Abstract Title:

The melatonin-MT1 receptor axis modulates tumor growth in PTEN-mutated gliomas.

Abstract Source:

Biochem Biophys Res Commun. 2018 Feb 2. Epub 2018 Feb 2. PMID: 29408377

Abstract Author(s):

Huihui Ma, Zhen Wang, Lei Hu, Shangrong Zhang, Chenggang Zhao, Haoran Yang, Hongzhi Wang, Zhiyou Fang, Lijun Wu, Xueran Chen

Article Affiliation:

Huihui Ma

Abstract:

More than 40% of glioma patients have tumors that harbor PTEN (phosphatase and tensin homologue deleted on chromosome ten) mutations; this disease is associated with poor therapeutic resistance and outcome. Such mutations are linked to increased cell survival and growth, decreased apoptosis, and drug resistance; thus, new therapeutic strategies focusing on inhibiting glioma tumorigenesis and progression are urgently needed. Melatonin, an indolamine produced and secreted predominantly by the pineal gland, mediates a variety of physiological functions and possesses antioxidant and antitumor properties. Here, we analyzed the relationship between PTEN and the inhibitory effect of melatonin in primary human glioma cells and cultured glioma cell lines. The results showed that melatonin can inhibit glioma cell growth both in culture and in vivo. This inhibition was associated with PTEN levels, which significantly correlated with the expression level of MT1 in patients. In fact, c-fos-mediated MT1 was shown to be a key modulator of the effect of melatonin on gliomas that harbor wild type PTEN. Taken together, these data suggest that melatonin-MT1 receptor complexes represent a potential target for the treatment of glioma.

Study Type : Animal Study, In Vitro Study
Additional Links
Pharmacological Actions : Antiproliferative : CK(4773) : AC(3450)

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